Periodic Flow Separation Control around Windmill Blade by Plasma Actuator and FBG Sensor
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概要
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A feedback control of flow separation on the NACA0024 airfoil has been investigated by using dielectric barrier discharge (DBD) plasma actuators and fiber Bragg grating (FBG) flow sensors. Tangential jets are generated from the DBD plasma actuator at the leading edge of the airfoil. The FBG flow sensor put near the root of a cantilever beam detects the vibrations of the cantilever tip by wake flow around the trailing edge and flow separation is adjudicated by the standard deviation of Bragg wavelength (λB'). A demonstration of flow separation control was conducted successfully under periodic flow separation by a feedback algorithm using a threshold level of λB' = 0.006 at Re = 5.3×104 and showed that the flow separation can be mitigated by about 20% in this strategy.
- 日本学術会議 「機械工学委員会・土木工学・建築学委員会合同IUTAM分科会」の論文
日本学術会議 「機械工学委員会・土木工学・建築学委員会合同IUTAM分科会」 | 論文
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